Retirement and Postretirement Benefit Plans - Summary of Fair Value of Defined Benefit Pension Plan Assets, Pension Plans (Detail) - USD ($) $ in Thousands	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
U.S., Pension Plans [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	$ 707	$ 709
U.S., Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	38,595	42,473
U.S., Pension Plans [Member] | Fixed-income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	40,542	41,870
International, Pension Plans [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	55	157
International, Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	6,931	8,012
International, Pension Plans [Member] | Fixed-income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	12,389	15,072
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	99,219	108,293	$ 104,894
Level 2 [Member] | U.S., Pension Plans [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	707	709
Level 2 [Member] | U.S., Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	38,595	42,473
Level 2 [Member] | U.S., Pension Plans [Member] | Fixed-income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	40,542	41,870
Level 2 [Member] | International, Pension Plans [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	55	157
Level 2 [Member] | International, Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	6,931	8,012
Level 2 [Member] | International, Pension Plans [Member] | Fixed-income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	12,389	15,072
Level 2 [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	$ 99,219	$ 108,293